1009 说反话 (20)（20 分）

#include<iostream>
#include<string>
#include<vector>
using namespace std;
string s;
vector<string>a;
int main()
{
    while (cin >> s)
    {
        a.push_back(s);
        int c = getchar();
        if (c == '\n')break;
    }
    for (int i = a.size() - 1; i >= 0; i--)
    {
        cout << a[i];
        if (i)printf(" ");
    }
    return 0;
}